CN206164002U - Change removable fixture of remodeling of monolithic insulator - Google Patents
Change removable fixture of remodeling of monolithic insulator Download PDFInfo
- Publication number
- CN206164002U CN206164002U CN201621192561.7U CN201621192561U CN206164002U CN 206164002 U CN206164002 U CN 206164002U CN 201621192561 U CN201621192561 U CN 201621192561U CN 206164002 U CN206164002 U CN 206164002U
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- China
- Prior art keywords
- fixture
- screw mandrel
- card
- detachable
- arc
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- 239000012212 insulator Substances 0.000 title claims abstract description 38
- 230000008859 change Effects 0.000 title abstract description 6
- 238000007634 remodeling Methods 0.000 title abstract 3
- 230000000694 effects Effects 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
The utility model discloses a change removable fixture of remodeling of monolithic insulator, the problem of the technique is solved: to mentioning the difficult problem changing the monolithic insulator and use fixture in the background art. The technical scheme who adopts: change removable fixture of remodeling of monolithic insulator, including preceding card, back card, two sets of lead screw unit, preceding card, back card and two sets of lead screw unit constitute a confined " quadrangle " the fixture body. The advantage, these fixture improve the transmission line reliability, improve the operating efficiency.
Description
Technical field
The utility model is related to a kind of instrument, concretely relates to a kind of detachable card of replacing monolithic insulator
Tool.
Background technology
Insulator is part important in power circuit, and the insulator that transmission line of electricity is used is in During Process of Long-term Operation
In, undergo the impact of running environment factor, factor of natural environment and human factor, cause insulator occur it is aging, damaged,
The defects such as null value.Therefore, zero resistance insulator need to be changed.
In recent years, because insulator producer increases, the steel cap size of manufactured porcelain insulator also disunity, more in the past
The fixture for changing monolithic insulator with Multiple Type to scene, and will be passed to operating personnel and compares when using every time, time-consuming
Arduously.
It is original to change the fixture that monolithic insulator is used, when running into the steel cap of different model size, need by before and after
Card is overall to be changed.This project mainly solves the problems, such as the stress of liner, the overall problems of mechanical strength of fixture.Changing insulation
In the process of son, for the steel cap of different model size, the fixture for preparing different model is needed, it is first true in Renewal process
Determine steel shape for hat number, then corresponding fixture is installed, these fixtures must all take scene to, the process of replacing is complex.
Utility model content
Technical problem to be solved in the utility model is：For referring to that changing monolithic insulator uses card in background technology
A difficult problem for tool.
Design philosophy of the present utility model is, when changing insulator, using the mode of more changeable liner, adapts to different model big
Little steel cap.
The purpose of this utility model is to provide one kind to improve transmission line of electricity reliability, improves operating efficiency, develops more
Change the fixture of monolithic insulator detachable.
To solve above-mentioned technical problem, the concrete technical scheme that the utility model is adopted is：
A kind of detachable fixture for changing monolithic insulator, including front card, rear card, two groups of screw mandrel units, front card, rear card
And two groups of screw mandrel units constitute " quadrangle " fixture body closed；
Two groups of screw mandrel units respectively constitute symmetrical two side of fixture body, and screw mandrel unit includes that two screw threads are contrary
Screw mandrel, is provided for adjusting the adjustment unit of screw mandrel length in the junction of two screw mandrels, and a screw mandrel is logical with front card junction
Cross connector to be rotatedly connected, another screw mandrel is rotatedly connected with rear card junction by connector；
Front card and rear card include fixture body and fixture detachable cap, and the two ends of fixture body are by connector connection wire rod, card
Specific center evagination arranges cutting ferrule under an arc, and an arc matched with cutting ferrule under arc is arranged on fixture detachable cap
Upper cutting ferrule, one end of fixture detachable cap is rotatably arranged on fixture body, the other end and the removable connection of fixture body；
Lower liner is set under arc in cutting ferrule, upper liner is set on arc in cutting ferrule；Lining arranges stepped groove in upper,
It is near screw mandrel place side that stepped groove is located at；Concave groove is set on lower liner, and concave groove is located remotely from screw mandrel
Place side.
In technical solutions of the utility model replacing monolithic insulator detachable fixture, card have screw mandrel, front card, after
Block a few part compositions, screw mandrel is made using carbon fibre material, selected according to the insulator model suitable for 500kV.Front card, it is fixed
On insulator steel cap so as to which Impact direction refers to same insulator iron pin.After block, be fixed on insulator steel cap so as to stress side
To dorsad insulator iron pin.In order to strengthen safety coefficient, made using stainless steel material.
Upper liner and lower liner are the cores of this instrument, for different model, the porcelain of specification or glass insulator, can
In the built-in inner core tool for changing different model of single insulator holder.Liner is valvular structure, more draws tighter during stress, so as to ensure its intensity
And reliability.
Improvement to technical solutions of the utility model, adjustment unit includes what the screw mandrels contrary with two screw threads connected simultaneously
Swivel nut and the activity rod set being arranged on outside swivel nut；Motion bar puts and arranges the screw mandrel gear for automatically adjusting screw mandrel state, screw mandrel
Including tightening up shelves, loosen shelves and neutral gear；Motion bar puts the manual screw mandrel crank of setting.Adjustment unit adopts the utility model
The structure of offer, its objective is the labour intensity for reducing operator's operation now.
Improvement to technical solutions of the utility model, fixture detachable cap is connected as bolt and double nut with the removable of fixture body
Anti- sending de- be fastenedly connected mode.
Improvement to technical solutions of the utility model, lower liner and upper liner are fastened on respectively arc by sunk screw
On lower cutting ferrule and arc in cutting ferrule.
Improvement to technical solutions of the utility model, the section of concave groove is in "U" shaped.
Compared with prior art, its advantage is the utility model：
1st, fixture of the present utility model, a more changeable liner adapts to the steel cap of different model size.
2nd, fixture of the present utility model, reduces operation number, improves the security of work.
3rd, fixture of the present utility model, updates job instruction, improves operating efficiency, reduces job costs.
4th, fixture of the present utility model, improves transmission line of electricity reliability, improves operating efficiency.
Description of the drawings
Fig. 1 is the structural representation of the present embodiment fixture.
Fig. 2 is the schematic cross-section of upper liner.
Fig. 3 is the schematic cross-section of lower liner.
In figure：1st, front card；2nd, rear card；3rd, screw mandrel unit；4th, screw mandrel；5th, adjustment unit；6th, connector；7th, fixture body；8、
Fixture detachable cap；9th, swivel nut；10th, activity rod set, 11, screw mandrel crank, 12, bolt.
Specific embodiment
Technical solutions of the utility model are described in detail below, but protection domain of the present utility model is not limited to
The embodiment.
It is understandable to become apparent from content of the present utility model, do into one below in conjunction with accompanying drawing 1-3 and specific embodiment
The description of step.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
Embodiment：
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.
As shown in figure 1, changing the structural representation of the detachable fixture of monolithic insulator for the present embodiment；This replacing is single
The detachable fixture of piece insulator, including front card 1, block 2, two groups of screw mandrel units 3 afterwards, front card 1, rear card 2 and two groups of screw mandrels
Unit 3 constitutes " quadrangle " fixture body of a closing.
As shown in figure 1, two groups of screw mandrel units 3 respectively constitute symmetrical two side of fixture body, screw mandrel unit includes two
The contrary screw mandrel 4 of root screw thread, is provided for adjusting the adjustment unit 5 of screw mandrel length, adjustment unit 5 in the junction of two screw mandrels
The swivel nut 9 connected simultaneously including the screw mandrel contrary with two screw threads and the activity rod set 10 being arranged on outside swivel nut；Activity rod set
Upper to arrange the screw mandrel gear for automatically adjusting screw mandrel state, screw mandrel includes tightening up shelves, loosening shelves and neutral gear；Motion bar puts setting can
Manual screw mandrel crank 11.One screw mandrel 4 is rotatedly connected with front card junction by connector 6, and another screw mandrel 4 connects with rear card
The place of connecing is rotatedly connected by connector 6.
Front card 1 and rear card 2 include fixture body 7 and fixture detachable cap 8, and the two ends of fixture body pass through connector connecting filament
Bar, the center evagination of fixture body arranges cutting ferrule under an arc, arranges one on fixture detachable cap and matches with cutting ferrule under arc
Arc on cutting ferrule, one end of fixture detachable cap is rotatably arranged on fixture body, the other end and the removable connection of fixture body；Fixture is lived
Removable anti-the sending for being connected as bolt 12 and double nut of lid 8 and fixture body 7 de- is fastenedly connected mode.Arrange in cutting ferrule under arc
Lower liner, arranges upper liner in cutting ferrule on arc；Lower liner and upper liner are fastened on respectively under arc by sunk screw and are blocked
On set and arc in cutting ferrule.Lining arranges stepped groove in upper, and it is near screw mandrel place side, i.e. ladder that stepped groove is located at
Edge of the formula groove on the inside of liner on this fixture；As shown in Figure 2.Concave groove, concave groove position are set on lower liner
In away from screw mandrel place side, i.e. edge of the concave groove on the outside of this fixture lower liner；The section of concave groove is in " U " word
Shape.As shown in Figure 3.
The replacement operation flow process for carrying out changing insulator chain using the fixture of the present embodiment is as follows：
(1) zero resistance insulator is first detected using front, in accordance with relevant livewire work regulation, especially it should be noted that zero resistance insulator piece number
And safe distance must not be exceeded.
(2) according to equipment situation and the position of required replacing insulator, selection is suitable for the model of onsite application.
(3) when assembling front and rear card, forward and backward taper should be firmly believed, first liner is firmly believed direction and be arranged on steel cap, then corresponding
The inverted cone degree of fixture put, the closing screw of closed type fixture is then tightened again, if also must be tightened with end chucking appliance it is corresponding fixed
Position screw.
(4) check whether fixture stress is good, and both sides screw mandrel is tightened up simultaneously, uniform force.Allow to be lined with 5mm when initial
Prestressing force is moved, to reach the purpose of tight tension.
(5) 3 insulators are shorted (short 3 card 4), replaceable any of which piece in the range of fixture.
(6) spring pin, true no problem rear removable tools to be installed when recovering.
The utility model is not directed to partly same as the prior art or can be realized using prior art.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (5)
1. a kind of detachable fixture for changing monolithic insulator, it is characterised in that including front card, rear card, two groups of screw mandrel units,
Front card, rear card and two groups of screw mandrel units constitute " quadrangle " fixture body closed；
Two groups of screw mandrel units respectively constitute symmetrical two side of fixture body, and screw mandrel unit includes the contrary silk of two screw threads
Bar, is provided for adjusting the adjustment unit of screw mandrel length in the junction of two screw mandrels, and a screw mandrel passes through with front card junction
Connector is rotatedly connected, and another screw mandrel is rotatedly connected with rear card junction by connector；
Front card and rear card include fixture body and fixture detachable cap, and the two ends of fixture body are by connector connection wire rod, fixture body
Center evagination cutting ferrule under one arc is set, card on an arc matched with cutting ferrule under arc is set on fixture detachable cap
Set, one end of fixture detachable cap is rotatably arranged on fixture body, the other end and the removable connection of fixture body；
Lower liner is set under arc in cutting ferrule, upper liner is set on arc in cutting ferrule；Lining arranges stepped groove, ladder in upper
It is near screw mandrel place side that formula groove is located at；Concave groove is set on lower liner, and concave groove is located remotely from screw mandrel place
Side.
2. the as claimed in claim 1 detachable fixture for changing monolithic insulator, it is characterised in that adjustment unit include with
Two screw threads contrary the screw mandrel swivel nut for connecting simultaneously and the activity rod sets being arranged on outside swivel nut；It is automatic that motion bar puts setting
The screw mandrel gear of screw mandrel state is adjusted, screw mandrel includes tightening up shelves, loosening shelves and neutral gear；Motion bar puts the manual screw mandrel of setting
Crank.
3. the detachable fixture of monolithic insulator is changed as claimed in claim 1, it is characterised in that fixture detachable cap and fixture
Removable anti-the sending for being connected as bolt and double nut of body de- is fastenedly connected mode.
4. the detachable fixture of monolithic insulator is changed as claimed in claim 1, it is characterised in that lower liner and upper liner
It is fastened on respectively under arc on cutting ferrule and arc in cutting ferrule by sunk screw.
5. the as claimed in claim 1 detachable fixture for changing monolithic insulator, it is characterised in that concave groove cuts
Face is in "U" shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621192561.7U CN206164002U (en) | 2016-10-28 | 2016-10-28 | Change removable fixture of remodeling of monolithic insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621192561.7U CN206164002U (en) | 2016-10-28 | 2016-10-28 | Change removable fixture of remodeling of monolithic insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206164002U true CN206164002U (en) | 2017-05-10 |
Family
ID=58656715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621192561.7U Active CN206164002U (en) | 2016-10-28 | 2016-10-28 | Change removable fixture of remodeling of monolithic insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206164002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451233A (en) * | 2016-10-28 | 2017-02-22 | 国网江苏省电力公司南京供电公司 | Detachable clamping apparatus for replacement of monolithic insulator and method for replacement of monolithic insulator |
-
2016
- 2016-10-28 CN CN201621192561.7U patent/CN206164002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451233A (en) * | 2016-10-28 | 2017-02-22 | 国网江苏省电力公司南京供电公司 | Detachable clamping apparatus for replacement of monolithic insulator and method for replacement of monolithic insulator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |